Cristiano Ronaldo REACTS to ALL his 14 GOALS in Euros!

game-board {
border: 1px solid black;
}

.piece {
width: 20px;
height: 20px;
border-radius: 50%;
position: absolute;
}

.red {
background-color: red;
}

.green {
background-color: green;
}

.blue {
background-color: blue;
}

.yellow {
background-color: yellow;
}
```